CN102905296A - Method and equipment for WLAN (Wireless Local Area Network) test analysis - Google Patents
Method and equipment for WLAN (Wireless Local Area Network) test analysis Download PDFInfo
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Abstract
The invention provides a method and equipment for WLAN (Wireless Local Area Network) test analysis. The equipment comprises a power supply conversion unit, a WIFI (Wireless Fidelity) module unit, a central processing unit, a real-time clock unit, a storage unit, a POE (Power over Ethernet) interface unit, a USB (Universal Serial Bus) interface unit and a local serial port unit, wherein the WIFI module unit and the central processing unit are connected through the USB interface; the real-time clock unit is connected with the central processing unit through an I2C (Inter-Integrated Circuit) bus; the storage unit is connected with the central processing unit through a parallel bus; the POE unit is used for supplying power to internet accesses and transmitting data; the USB interface unit can be used to expand a large-capacity storage for capture storage of WLAN data; the local serial port unit is used for software download, debugging and parameter configuration; and a WLAN network test result or an analysis report is uploaded to a server platform through a wired network port or a WLAN, and a server analyzes and displays test result information. The method and equipment disclosed by the invention have the beneficial effects of monitoring and optimizing WLAN quality, timely finding out problems in WLAN signal coverage, improving WLAN signal quality and reducing user complaints.
Description
Technical field
The present invention relates to the monitoring of wlan network covering quality, detection and analysis field, mainly is a kind of wlan network method for testing and analyzing and equipment.
Background technology
Along with domestic 3G network application is progressively popularized, data user's scale goes from strength to strength in recent years, and operator has experienced the bandwidth pressure that huge data traffic is brought to 3G network.And development WLAN is the effective way of the unloading 3G of operator data flow.Along with a large amount of increase of the construction of operator's wlan network, the terminal user of wlan network is more and more.But because wlan network construction and user's surge, the quality of wlan network can not be guaranteed reliably that Mobile Network Operator is more and more paid attention to wlan network user's satisfaction.Since the failure problems of WLAN covering AP etc., wlan network degradation or unavailable, and the attendant can not in time find again and advanced processing, even cause the phenomenon of customer complaint.
Use the wlan network method for testing and analyzing, the energy Real-Time Monitoring covers the function of on-the-spot AP, the network index that monitoring WLAN covers, analog subscriber is experienced, in case it is unusual wlan network to occur, and can analyzing failure cause, and handle is tested and analysis result reports network management center's platform, can in time find and safeguard processing, guarantee the WLAN signal covering quality, improve user satisfaction.Wlan network test analysis equipment is installed in wlan network AP and covers the scene, by test and the analysis to AP and WLAN overlay network, can assess out the wlan network quality.And assessment report and a test result to wlan network arrive network management center's platform by LAN mouth or WLAN wireless network transmissions.When the wlan network appearance is unusual, can report timely notice to network management center's platform.
Summary of the invention
Purpose of the present invention is just in order to overcome the deficiency of above-mentioned technology, and a kind of wlan network method for testing and analyzing and equipment are provided, and is used for monitoring and the optimization of the quality of wlan network.In time find WLAN signal covering problem, improve the wlan network signal quality, reduce customer complaint.
The present invention solves the technical scheme that its technical problem adopts: this wlan network test analysis equipment comprises that power conversion unit, WIFI modular unit (containing antenna), CPU (CPU), real-time clock unit (RTC), memory cell, POE interface unit, usb interface unit and local serial ports unit form; Wherein the WIFI modular unit links to each other by USB interface with CPU; The real-time clock unit links to each other with CPU by the I2C bus; Memory cell links to each other with CPU by parallel bus; The POE unit is used for network interface power supply and the transmission of data; Usb interface unit can be expanded mass storage, is used for wlan network data packet capturing storage; Local serial ports unit is used for software download, debugging and parameter configuration.
Described test analysis equipment is by wired network interface or WLAN wireless network, wlan network test result or the analysis report platform of uploading onto the server, server is resolved test result information and is shown, as abnormal conditions occur, produces alarm notification webmaster personnel.
Described POE interface unit comprises netting twine POE power pack and internet transmission of virtual laboratory, the POE power pack is comprised of J1, U2, D1, D2, U1, Q1, Q2, T1, T2 and peripheral resistance capacitance thereof, and J1 is that RJ45 interface, U2 are the incoming end that network transformer forms netting twine and power supply; Input POE power supply is input to U1 through rectifier bridge D1, D2, and U1 is highly integrated PD power interface control chip, band PWM output interface, and monitoring POE input voltage is also adjusted PWM output; Q1, Q2 are the NMOS pipe, and T1, T2 are the POE transformer, form DC-DC translation function parts the POE input voltage is converted to the DC5V that device systems needs; Internet transmission of virtual laboratory is comprised of J1, U2, Y1, U5, and J1 and U2 are the network cable input, and Y1 is active crystal oscillator, and U5 is 10/100 network PHY interface, is connected to the RMII bus of CPU.
Described WIFI modular unit is comprised of J5, U6 and some resistance capacitances, and J5 is wireless WIFI network interface card module, is connected to CPU by USB interface; U6 is the switching device of USB interface power supply of control, and when EN pin when being high, switch conduction, USB supply power to the WIFI modular unit, can work, and when the EN pin is low, switch closure, the USB power-off of WIFI modular unit is not worked.
Described real-time clock unit is comprised of U26 real-time timepiece chip PCF8563, diode D22, diode D23, Y4 resonant crystal and some electric capacity, wherein Y4 provides accurately clock for U26, D9 and D10 are used for finishing the switching of main power source and button cell power supply, being U26 power supply by main power source when having made electricity, is the U26 power supply by button cell during power down.
This wlan network method for testing and analyzing of the present invention, the testing procedure of the method is as follows:
1), the CPU on the test analysis equipment is by controlling the AP state of the local network coverage in WIFI modular unit scanning place, acquisition relevant parameter: Essid, Bssid, Channel, Signal level, Noise and Bit Rates;
2), test analysis equipment reception server instruction the or regularly AP that specifies MAC Address is carried out performance test, comprising: portal authentication test, ping test, FTP test, HTTP download test, DHCP test and EMAIL test;
3), test analysis device statistics and analytical test result, test result and analysis report are reported to server;
4), server is added up the AP test result, and the unusual relevant AP of network data is listed in the alarm item;
5), server is transmitted to the Network Management and Maintenance personnel to warning information by note or EMIAL;
6), test analysis equipment regularly or by server instruction arranges the simulation AP of operator focus, adds up to connect the user's who comes up quantity during this and analyze type of user terminal on connecting, is reported to server;
7), server nominative testing analytical equipment opening network packet capturing pattern, test analysis control WIFI modular unit, all packets that comprises 802.11 frames in the crawl wlan network, data upload is to server, analysis user behavior or Network Search fault.
1), equipment AP state and the performance of specifying MAC by control WIFI module testing the effect that the present invention is useful is:; 2), the in real time teletransmission of test result and analysis report is to service platform; 3), can designated equipment dry run merchant AP focus, the monitoring data that access terminal, analysis user behavior; 4), a plurality of customer rs sites of equipment simulating link simultaneously and cover AP, and the AP focus is carried out pressure test.
Description of drawings
Fig. 1 is wlan network method for testing and analyzing schematic diagram of the present invention;
Fig. 2 is this kind wlan network test analysis equipment principle block diagram;
Fig. 3 is wlan network test analysis equipment POE interface unit schematic diagram of the present invention;
Fig. 4 is wlan network test analysis device power supply (DPS) converting unit schematic diagram of the present invention;
Fig. 5 is wlan network test analysis equipment WIFI module principle figure of the present invention;
Fig. 6 is wlan network test analysis equipment CPU electrical schematic diagram of the present invention;
Fig. 7 is wlan network test analysis device storage of the present invention unit electrical schematic diagram;
Fig. 8 is wlan network test analysis equipment real-time clock of the present invention (RTC) unit electrical schematic diagram;
Fig. 9 is the local serial port power schematic diagram of wlan network test analysis equipment of the present invention;
Figure 10 is the usb interface unit block diagram of wlan network test analysis equipment of the present invention;
Reference numeral: POE interface unit 1, power conversion unit 2, WIFI modular unit 3, CPU 4, memory cell 5, real-time clock unit 6, local serial ports unit 7, usb interface unit 8.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, reach for example below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that described herein giving an example only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is a kind of wlan network method for testing and analyzing schematic diagram of invention; The method is drawn together wlan network monitoring equipment and server, and equipment and server are by the LAN(cable network) or the WLAN wireless network communicate.
Monitoring of equipment, test, analysis wlan network covering quality send to server platform to test and analysis result by lan network or WLAN wireless network.Server presents the test analysis form, when the network data alarm is arranged, informs the Network Management and Maintenance personnel by note or EMAIL.
The equipment composition frame chart mainly is comprised of POE interface unit unit 1, power conversion unit 2, WIFI modular unit (containing antenna) 3, CPU (CPU) 4, memory cell 5, real-time clock (RTC) unit 6, local serial ports 7, usb interface unit 8 as shown in Figure 2; Wherein the POE interface unit provides the RJ45 interface, as the wired lan port communications, and provides power supply by netting twine to equipment; WIFI module 3 and CPU 4 link to each other by USB interface, mainly monitor WLAN wireless network state and test WLAN wireless network performance; Memory cell 5 links to each other with CPU 4 by the parallel bus mode; Real-time clock unit 6 links to each other with CPU 4 by the I2C bus, for equipment provides accurately real-time time; Local serial ports 8 is used for software and downloads and debug; USB interface is used for large data disk expansion, storage wlan network packet capturing data, phase-split network fault and user behavior.
Fig. 3 is POE interface unit electrical schematic diagram.The POE interface unit mainly comprises netting twine POE power pack and internet transmission of virtual laboratory.The POE power pack mainly is comprised of assemblies such as J1, U2, D1, D2, U1, Q1, Q2, T1, T2 and peripheral relevant capacitance-resistances thereof.J1 is that RJ45 interface, U2 are the incoming end that network transformer forms netting twine and power supply; Input POE power supply is input to U1 through rectifier bridge D1, D2, and U1 is highly integrated PD power interface control chip, band PWM output interface, and monitoring POE input voltage, and adjust PWM output; Q1, Q2 are the NMOS pipe, and T1, T2 are the POE transformer, and they and associated component thereof form DC-DC translation function parts, and the POE input voltage is converted to the DC5V that device systems needs.Internet transmission of virtual laboratory mainly is comprised of J1, U2, Y1, U5, and J1 and U2 are the network cable input, and Y1 is active crystal oscillator, and U5 is 10/100 network PHY interface, is connected to the RMII bus of CPU element, realizes cable network data communication.
Fig. 4 is the power conversion unit electrical schematic diagram.U2(SPX1117-3.3), U3(SPX1117-1.8), C5(10uF/10V), C6(10uF/10V), C7(0.1uF/50V), C8(10uF/10V) form, U2(SPX1117-3.3) the 5V power supply of POE power subsystem output is converted into the 3.3V power supply, U3(SPX1117-1.8) the 3.3V power supply is converted into the 1.8V power supply.5V is the device systems power supply, and 3.3V power supply and 1.8V power supply are powered to CPU (CPU).C5(10uF/10V), C6(10uF/10V), C7(0.1uF/50V), C8(10uF/10V) play the power filter effect, U2(SPX1117-3.3), U3(SPX1117-1.8) output voltage more stable, ripple is less.
Fig. 5 is WIFI modular unit schematic diagram.Wireless WIFI modular unit mainly is comprised of J5, U6 and some resistance capacitances.J5 is wireless WIFI network interface card module, is connected to the CPU control unit by USB interface; U6 is the switching device of the USB interface power supply of control, when EN pin (CPU control unit control pin) when being high, switch conduction, USB supplies power to the WIFI module, can work, when EN pin (CPU control unit control pin) is low, switch closure, WIFI module USB power-off is not worked.
Fig. 6 is the CPU electrical schematic diagram.CPU is mainly by U11(master cpu AT91SAM9260-CU), Y1(resonant crystal 18.432MHZ), Y2(CPU kernel clock crystal 32.768KHZ), U25(reset chip MCP1316T-29), the J5(JTAG emulator interface) form.Wherein Y1, Y2 provide the operation clock for U11, and U12 provides power-on reset signal and watchdog reset signal for U6.
Fig. 7 is the memory cell electrical schematic diagram.Memory cell mainly is comprised of U16, U17, U18, J10 and relevant capacitance-resistance thereof.Memory cell adopts simple EEPROM(EEPROM (Electrically Erasable Programmable Read Only Memo)), DATA FLASH and NAND FLASH form.J10 if system memory space is inadequate, can take SD card extension storage space for expansion SD card socket.U16(NANDFLASH) with CPU in CPU communicate by letter by parallel bus; U17(DATA FLASH) with CPU in CPU communicate by letter by spi bus; U18(EEPROM) with CPU in CPU by the I2C bus communication.
Fig. 8 is RTC unit electrical schematic diagram.The RTC unit is mainly by U26(real-time timepiece chip PCF8563), the D22(general-purpose diode), the D23(general-purpose diode), the Y4(resonant crystal) and some electric capacity form.Wherein Y4 provides accurately clock for U26, and D9 and D10 finish the switching of main power source and button cell power supply, is U26 power supply by main power source when having made electricity, is the U26 power supply by button cell during power down, and temporal information is not lost when system power failure.
Fig. 9 is local serial port power schematic diagram.Local serial ports is mainly by U19(level transferring chip MAX3232), J14, J18 and some electric capacity forms.Wherein U19 is 3.3V TTL(transistor-transistor logic level) signal converts the RS232 level to.
Figure 10 is the USB interface electrical schematic diagram.USB interface mainly is comprised of J12, J13 and some electric capacity.Wherein J12 is USBHOST, is used for the derivation of local test data; J13 is USB DEVICE, is used for the upgrading of CPU bottom boot.
The operation principle of a kind of wlan network method for testing and analyzing of the present invention is described below in conjunction with Fig. 1 ~ Figure 10:
1), the CPU on the equipment is by controlling the AP state of the local network coverage in WIFI module scanning place, acquisition relevant parameter: Essid, Bssid, Channel, Signal level, Noise, Bit Rates;
2), equipment receiving platform instruction the or regularly AP that specifies MAC Address is carried out performance test, comprising: portal authentication test, ping test, FTP test, HTTP download test, DHCP test, EMMIL test etc.;
3), device statistics and analytical test result, test result and analysis report are reported to network management platform;
4), the result of network management platform statistical test AP, and the relevant AP of network data unusual (as packet loss is high, the authentication success rate is low, the FTP speed of download is low etc.) listed in the alarm item;
5), network management platform is transmitted to the Network Management and Maintenance personnel to the fault warning information of relevant AP by note or EMIAL;
6), equipment regularly or by the platform instruction arranges the simulation AP of operator focus, connect the user's who comes up quantity and the type of user terminal that analysis connects during adding up this, be reported to network management platform, it is dynamic to understand the user as operator, strengthens the foundation that wlan network is built;
7), network management platform designated equipment opening network packet capturing pattern, equipment control WIFI module, all packets that comprises 802.11 frames in the crawl wlan network, data upload is to network management center, analysis user behavior or Network Search fault.
The above is only to be preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvement and modification, these improvement and modification also should be considered as protection scope of the present invention.
Claims (6)
1. a wlan network test analysis equipment is characterized in that, comprises that power conversion unit, WIFI modular unit, CPU, real-time clock unit, memory cell, POE interface unit, usb interface unit and local serial ports unit form; Wherein the WIFI modular unit links to each other by USB interface with CPU; The real-time clock unit links to each other with CPU by the I2C bus; Memory cell links to each other with CPU by parallel bus; The POE unit is used for network interface power supply and the transmission of data; Usb interface unit can be expanded mass storage, is used for wlan network data packet capturing storage; Local serial ports unit is used for software download, debugging and parameter configuration.
2. wlan network test analysis equipment according to claim 1, it is characterized in that: described test analysis equipment is by wired network interface or WLAN wireless network, wlan network test result or analysis report are uploaded onto the server, test result information is resolved and demonstration.
3. wlan network test analysis equipment according to claim 1, it is characterized in that: described POE interface unit comprises netting twine POE power pack and internet transmission of virtual laboratory, the POE power pack is comprised of J1, U2, D1, D2, U1, Q1, Q2, T1, T2 and peripheral resistance capacitance thereof, and J1 is that RJ45 interface, U2 are the incoming end that network transformer forms netting twine and power supply; Input POE power supply is input to U1 through rectifier bridge D1, D2, and U1 is highly integrated PD power interface control chip, band PWM output interface, and monitoring POE input voltage is also adjusted PWM output; Q1, Q2 are the NMOS pipe, and T1, T2 are the POE transformer, form DC-DC translation function parts the POE input voltage is converted to the DC5V that device systems needs; Internet transmission of virtual laboratory is comprised of J1, U2, Y1, U5, and J1 and U2 are the network cable input, and Y1 is active crystal oscillator, and U5 is 10/100 network PHY interface, is connected to the RMII bus of CPU.
4. wlan network test analysis equipment according to claim 1, it is characterized in that: described WIFI modular unit is comprised of J5, U6 and some resistance capacitances, and J5 is wireless WIFI network interface card module, is connected to CPU by USB interface; U6 is the switching device of USB interface power supply of control, and when EN pin when being high, switch conduction, USB supply power to the WIFI modular unit, can work, and when the EN pin is low, switch closure, the USB power-off of WIFI modular unit is not worked.
5. wlan network test analysis equipment according to claim 1, it is characterized in that: described real-time clock unit is comprised of U26 real-time timepiece chip PCF8563, diode D22, diode D23, Y4 resonant crystal and some electric capacity, wherein Y4 provides accurately clock for U26, D9 and D10 are used for finishing the switching of main power source and button cell power supply, being U26 power supply by main power source when having made electricity, is the U26 power supply by button cell during power down.
6. analytical method that adopts wlan network test analysis equipment as claimed in claim 1, it is characterized in that: the testing procedure of the method is as follows:
1), the CPU on the test analysis equipment is by controlling the AP state of the local network coverage in WIFI modular unit scanning place, acquisition relevant parameter: Essid, Bssid, Channel, Signal level, Noise and Bit Rates;
2), test analysis equipment reception server instruction the or regularly AP that specifies MAC Address is carried out performance test, comprising: portal authentication test, ping test, FTP test, HTTP download test, DHCP test and EMAIL test;
3), test analysis device statistics and analytical test result, test result and analysis report are reported to server;
4), server is added up the AP test result, and the unusual relevant AP of network data is listed in the alarm item;
5), server is transmitted to the Network Management and Maintenance personnel to warning information by note or EMIAL;
6), test analysis equipment regularly or by server instruction arranges the simulation AP of operator focus, adds up to connect the user's who comes up quantity during this and analyze type of user terminal on connecting, is reported to server;
7), server nominative testing analytical equipment opening network packet capturing pattern, test analysis control WIFI modular unit, all packets that comprises 802.11 frames in the crawl wlan network, data upload is to server, analysis user behavior or Network Search fault.
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